When you go to Abundance > Theme Options > Footer > Logo Footer > Upload. After selecting a file to upload don’t forget to click the button(Add to Gallery) next to “Save all changes”. After you click the button, the upload box will close, then you need to click “Save all changes” again.

Hey! I did a lot of testing and couldnt reproduce the error. unfortunately the only workaround I could find was to modify the footer.php file in a unique way. the logos work now, however if you ever update the theme and overwrite the footer files you need to replace the footer.php code with this one: http://pastie.org/4430371